文档介绍：①2+1=
○17 4-4 =
○18 3-2 =
○19 1-1 =
○20 2+3=
○21 5-2 =
○22 1+2=
○23 2-2 =
○24 2+0=
○25 1+2=
○26 3-0 =
○27 4-=
○26 5-5 =
○27 3+2○ 4○28 4-2 ○ 5○29 5+0○ 4○30 3-3 ○ 1○31 3+2○ 5
①
=4-0
○17 2+( )=5○18 4- ( )=2○19 3- ( )=0○20 2+( )=2○21 ( )+3=5○22 ( )+1=4○23 ( )-2=2○24 2- ( )=1○25 2+( )=5○26 ( )+1=5○27 ( )-3=2○28 ( )+1=4○29 ( )-2=1○30 5- ( )=3○31 4+( )=5
②2+1=
②
=5-3
③4-2 =
③
=0+1
④2+2=
④
=5-2
⑤1+2=
⑤
=4-2
⑥3-2 =
⑥4-( )=3
⑦3+1=
⑦3-( )=2
⑧4-1 =
⑧5-( )=1
⑨4+1=
⑨4+( )=5
⑩3○ 2+1
⑩2+( )=4
? 4○ 1+3
? 1+( )=4
? 2○ 4-1
? 3+( )=5
? 1+4○ 4
? 2+( )=3
? 3+2○ 5
? 3+( )=5
? 2+2○ 3
? 1- ( )=1
○32 3-2 ○ 1
○32 5- ( )=1
? 4-1 ○ 4
? 3- ( )=1
①0-0=
○17 4- ( )=3○18 5- ( )=2
○19 4- ( )=0
○20 2+( )=2
○21 ( ) +4=5
○22 ( ) +1=4
○23 ( ) -3 =2
○24 2- ( )=0
○25 5-3=
○26 4- ( )=0
○27 4-2=
○28 3-0=
○29 2- ( )=2○30 3+2=
○31 4-1=
○32 5-3=
①1+2=
=0
○17 4-4= ○18 2+3= ○19 5-3= ○20 4+1= ○21 3+2= ○22 1+2= ○23 5-2= ○24 2+( )○25 2-2= ○26 2- ( )○27 3-1= ○28 1-1= ○29 5-0= ○30 3- ( )○31 5-4= ○32 3- ( )
=5
②4-3=
②3-1 =
③0+0=
③1+1=
④5-4=
④2+1=
⑤4-2=
⑤3-2 =
⑥2+2=
⑥1+3=
⑦1+3=
⑦2+0=
⑧5-2=
⑧2+2=
⑨4+( )=5
⑨3- ( )
=0
⑩2+( )=4
⑩4-1 =
? 1+( )=4
? 5- ( )
=2
=1
? 3+( )=5
? 3-2 =
=2
? 1+( )=3
? 4- ( )
? 4+( )=4
? 4-2 =
? 2- ( )=1
? 3-3 =
=2
? 3- ( )=1
? 4-3 =
①3-3=
○17 ( )+4=5○18 3+( )=4○19 4- ( )=3○20 5- ( )=2○21 4- ( )=1○22 2+( )=4○23 1+( )=4○24 6- ( )=2○25 3-2=
○26 4+1=
○27 5- ( )=3○28 3- ( )=1○29 ( )+1=5○30 ( )+2=4○31 ( )+3=4○32 ( )+1=4
①0+1=
○17 4 比 2 多( )○18 3 比 5 少( )○19 1 比 3 少( )○20 1 比 5 少( )○21 4 比 3 多( )○22 2 比 5 少( )○23 1 比 5 少( )○24 4 比 3 多( )○25 4+0=
○26 3-2 =
○27 4+1=
○28 5-3 =
○29 5 比 2 多( )○30 3 比 4 少( )○31 2 比 1 多( )
②6-0=
②4+1=
③1+2=
③2-2=
④1-1=
④3-1=
⑤3-2=
⑤4+0=
⑥2-2=
⑥0+3=
⑦4+( )=5
⑦1-1=
⑧6-( )=4
⑧3 比 2 多( )
⑨4-( )=1
⑨5 比 3 多(